Amy Rushlow

A simple trick to master this challenging—and effective—exercise

This explosive move will kick your ass!

Crank the intensity up to 11 and work your core in an entirely new way

Chisel your core and melt fat with this brand new move

A fitness challenge you must try

Blast your entire body with this plank variation

Probably. But here’s how to fix it—and get the most out of this amazing exercise

A new twist on a classic Rocky move

Lift slowly for a big performance boost

This squat variation is a must-do for athletes and weekend warriors

To press more weight, shore up your weak points

Define your “horseshoe muscle” with this exercise